Danny Low's answer to Nezuko 12345's Secondary 1 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Danny Low
Danny Low's answer
1021 answers (Tutor Details)
(a) True - all numbers having 15 as a factors must also be a multiple of both 3 and 5.

(b) False - 82 is a factor of 246 but not a factor of 123